UV-visible spectroscopic study of the salicyladehyde benzoylhydrazone and its cobalt complexes

Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
Yi-Heng LuRosa Ngo Biboum Bimbong

Abstract

Salicyladehyde benzoylhydrazone (SBH) has three groups suitable for forming coordination bond with transition metal. The UV-vis absorption spectra of SBH and its Co(II) complexes in various media were studied by using the deconvolution method. It is found that the structure of complex in solution is different from those in solid crystals. The nature of complexes in solution depends on acidity of the phenolic proton of SBH and on the medium. In neutral or slightly acid medium, the SBH is a non-charged bidentate ligand. And the "free" hydroxyl group on the SBH molecule makes it possible to form hydrogen bonds in solution. In basic medium, the SBH is a mono, negatively charged tridentates ligand.

References

Nov 24, 2004·Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy·P B Sreeja, M R Prathapachandra Kurup

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Citations

Mar 5, 2009·Chemical Communications : Chem Comm·Yibin Wei, Maolin Guo
Feb 26, 2013·Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy·Nives GalićSnežana Miljanić
May 1, 2012·Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy·Nives GalićSnežana Miljanić
Feb 4, 2011·Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy·Wang Jing-LinYang Bin-Sheng
Sep 29, 2011·Langmuir : the ACS Journal of Surfaces and Colloids·Kui NiuMingqing Chen
Jul 10, 2010·Applied Spectroscopy·Estrella Espada-BellidoRamaier Narayanaswamy
Jul 18, 2009·Analytical Sciences : the International Journal of the Japan Society for Analytical Chemistry·Estrella Espada-BellidoManuel García-Vargas
Oct 14, 2010·Journal of the American Chemical Society·Atsushi KobayashiMasako Kato

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